Home / 231,397,240.28-319,327,315.56-126,977,059.04

Finding the Fourth Proportional to 231,397,240.28, 319,327,315.56 and 126,977,059.04

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Solution

The fourth proportional to 231,397,240.28, 319,327,315.56 and 126,977,059.04 is: 175,227,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,397,240.28 : 319,327,315.56 = 126,977,059.04 : x
  2. Step 2: Convert to fraction form
    231,397,240.28/319,327,315.56 = 126,977,059.04/x
  3. Step 3: Cross multiply
    231,397,240.28x = 319,327,315.56 × 126,977,059.04
  4. Step 4: Simplify right side
    231,397,240.28x = 40,547,243,400,946,832
  5. Step 5: Solve for x
    x = 40,547,243,400,946,832/231,397,240.28
  6. Step 6: Final answer
    x = 175,227,860.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.